Finding the Third Proportional to 72,263.81 and 152,317.69

Step by Step Solution

1. Step 1: Write the proportion equation
   72,263.81 : 152,317.69 = 152,317.69 : x
2. Step 2: Convert to fraction form
   72,263.81/152,317.69 = 152,317.69/x
3. Step 3: Cross multiply
   72,263.81x = 152,317.69 × 152,317.69
4. Step 4: Simplify right side
   72,263.81x = 23,200,677,925.35
5. Step 5: Solve for x
   x = 23,200,677,925.35/72,263.81
6. Step 6: Final answer
   x = 321,055.27